"Then he spit on the ground, made mud with the saliva, and spread the mud over the blind man’s eyes. He told him, “Go wash yourself in the pool of Siloam” (Siloam means “sent”). So the man went and washed and came back seeing!" John 9:6-7
but the word of our God will stand forever." Isaiah 40:8
“If you were blind, you wouldn’t be guilty,” Jesus replied. “But you remain guilty because you claim you can see. John 9:39-41
Claiming from our own wisdom that we can see, never realizing we are in fact blind and we hold ourselves back from a life of clarity, of healing, wisdom and seeing God's power. We place ourselves on a pedestal and our hearts remove God from His rightful place. We become blind because God is not in His rightful place and He is replaced with our own self attained learning.